Sarker, MSK, MA Islam, KS Huque, NR Sarker, MM Hossain, and AA Bhuiyan. 2016. “Effect of Genotype and Lactation on Milk Urea Nitrogen, Blood Urea Nitrogen and Milk Composition of Dairy Cows”. Bangladesh Journal of Livestock Research 19 (1-2):74-84. https://doi.org/10.3329/bjlr.v19i1-2.26429.